---
title: "glClientWaitSyncAPPLE(_:_:_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 6.0+, iPadOS 6.0+, Mac Catalyst 6.0+, tvOS 9.0+]
path: "opengles/glclientwaitsyncapple(_:_:_:)"
---

# glClientWaitSyncAPPLE(_:_:_:)

## Declaration

```swift
func glClientWaitSyncAPPLE(_ sync: GLsync!, _ flags: GLbitfield, _ timeout: GLuint64) -> GLenum
```